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Finding the Fourth Proportional to 105,798.57, 145,997.01 and 58,050.96

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Solution

The fourth proportional to 105,798.57, 145,997.01 and 58,050.96 is: 80,107.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,798.57 : 145,997.01 = 58,050.96 : x
  2. Step 2: Convert to fraction form
    105,798.57/145,997.01 = 58,050.96/x
  3. Step 3: Cross multiply
    105,798.57x = 145,997.01 × 58,050.96
  4. Step 4: Simplify right side
    105,798.57x = 8,475,266,587.63
  5. Step 5: Solve for x
    x = 8,475,266,587.63/105,798.57
  6. Step 6: Final answer
    x = 80,107.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.